package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo4 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection conn =  DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true" ,
                "root",
                "ROOT");
        Statement  statement = conn.createStatement();
        String sql = "DELETE FROM userinfo" +
                "WHERE id=1";
        int num = statement.executeUpdate(sql);
        System.out.println(num>0?"删除成功":"删除失败");
        conn.close();
    }
}
